Bolus



FIG. 1 is a perspective front view of a bolus showing my new design;

FIG. 2 is a perspective back view thereof;

FIG. 3 is a front, back and side elevational view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a top plan view thereof. 

CLAIM The ornamental design for a bolus, as shown and described 